Pop music and Popular music genre

Pop music noun - Music of general appeal to teenagers; a bland watered-down version of rock'n'roll with more rhythm and harmony and an emphasis on romantic love.

Popular music genre and pop music are semantically related. In some cases you can use "Popular music genre" instead a noun phrase "Pop music".

Popular music genre noun - Any genre of music having wide appeal (but usually only for a short time).

Pop music and popular music genre are semantically related. Sometimes you can replace phrase "Pop music" with "Popular music genre", this phrases are similar.